FILE - In this May 24, 2018, file photo, a Boston Dynamics SpotMini robot walks through a conference room during a robotics summit in Boston. Boston Dynamics on Tuesday, June 16, 2020 started selling its four-legged Spot robots online for just under $75,000 each. The agile robots can walk, climb stairs and open doors. But people who buy them online must agree not to arm them or intentionally use them as weapons, among other conditions. (AP Photo/Charles Krupa, File)
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